Microsoft ISA Server Privilege Escalation Vulnerability (970953)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS09-031.
Impact
Exploitation could allow remote attackers to bypass security restrictions and to execute arbitrary code with the privileges of the user. Impact Level: System/Network.
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://www.microsoft.com/technet/security/bulletin/ms09-031.mspx
Insight
When ISA Server 2006 authentication is configured with Radius OTP (One Time Password), an unspecified error occurs when authenticating requests using the HTTP-Basic method
Affected
Microsoft Internet Security and Acceleration Server 2006 and with SP1. Microsoft Internet Security and Acceleration Server 2006 with Update
References